Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why do we have another cartridge filled with oil fitted at the bottom silica gel cartridge in power transforers

1 2694

why transformer rating is mentioned in kva?

JK Electric Works,

1 3739

what is the formulae of calculating voltage drop?

2 3812

High Voltage out door substation-annual maintenance, things to be considered

1 3283

How much current can a 3-1/2 core 100 mm wire carry?

Epitome, Focus, Focus Energy,

3 31546

1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

Focus, Focus Energy,

3 23303

Whis machine is having higher efficiency Transformer or Generator

2 3669

What is the latest generation of circuit breakers called?

Epitome, Focus Energy, Jakson, KDC, L&T,

3 22091

What are the special cables required for explosion proof wiring?

IVRCL,

2 15567

What is the similarity and what is the difference between relays and PLC?

NTPC,

3 26994

The company is wiling to buy you 5 pcs of equipments in your electrical tool kit. Plz tell what are the 5 things you want?

3 23736

Suppose an electric motor with a controller is not working. What is the sequence of testing you will do in your troubleshooting?

Emerson,

2 23497

how the BDV of the oil will be checked using moterised controled HV SET?

1 2864

What is an Isolation Transformer? Where it will use?

3 4198

What is the latest generation of circuit breakers called?

Focus, OPTCL,

1 5141


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1220


Why in ESP Positive earthed

2507


How does a television work?

1766


are there rmu for 3 transformer?

1385


i applied for the ap transco please forward the freqventley asked QA

1507






Why lose 1 phase voltage in 33kv to 415v stepdown transformer

1268


why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

1435


How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

1595


Anybody know how schematic diagram for reverse power relay? RPR for generator protection

1627


we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

1442


How we calculate the size of ht cable for any transformer

1515


what is the maximim current drawn by 1 phase and three phase welding machine

1411


I have finish diploma electronics and five years experience in electrical field in ht service how can i get c licensce or other electrical certificate

1133


What are the conditions for sustained oscillator or what is backhouse criterion?

616


10 Mtr Hight of Lighting Arrestar how much area coverd??

1974